MT5 · Runtime errors
MT5 4505 · Cannot write file with global variable values | YI GOLD
ERR_GLOBALVARIABLE_CANNOTWRITE
Official meaning
Cannot write file with global variable values
Possible causes · YI GOLD suggestions
Paths, access modes, formats, handles or permissions do not meet requirements.
Troubleshooting · YI GOLD suggestions
Check permitted terminal sandbox paths, names, access flags, formats and handles. Record open failures without granting permissive directory access.